In: Anatomy and Physiology
Most types of birth defects occur during the
a. second trimester.
b. 9th through the 18th week of pregnancy.
c. final four weeks of pregnancy.
d. first trimester.
The answer is not d
b. 9th through the 18th week of pregnancy.
Most types of birth defects occur during the 9th through the 18th week of pregnancy.